This MK9 bolt assembly is made of 8620 steel and has a Phosphate finish.
CMMG 55DA296 Mil-Spec
| UPC | 815835012711 |
|---|---|
| Manufacturer | CMMG |
| Manufacturer Part Number | 55DA296 |
| Length | 4.7500 |
| Product Type | Barrel Nut |
| Model | Mil-Spec |
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